:root {
    font-size: 16px;
    --primary-color: #004d4d; /* Deep teal for professionalism */
    --secondary-color: #d4a017; /* Warm gold for accents */
    --background-color: #f8fafc; /* Off-white for clean look */
    --text-color: #1a1a1a; /* Dark gray for readability */
    --accent-color: #e6f0fa; /* Light teal for subtle highlights */
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    line-height: 1.6;
    background: var(--background-color);
    color: var(--text-color);
}

header {
    background: var(--primary-color);
    color: #fff;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 50px;
    width: 50px;
    transition: var(--transition);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo p {
    font-size: 0.75rem;
    opacity: 0.8;
}

.list-menu {
    display: none;
}

.hamburger {
    margin-right: 1.5rem;
    cursor: pointer;
}

.bar {
    height: 4px;
    background: #fff;
    width: 30px;
    margin-bottom: 6px;
    transition: var(--transition);
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--secondary-color);
}

.hero {
    background: linear-gradient(rgba(0, 77, 77, 0.7), rgba(0, 77, 77, 0.7)), url(images/ashbamboo.jpg) center/cover no-repeat;
    color: #fff;
    padding: 4rem 2rem;
    text-align: center;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(0, 77, 77, 0.3);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--secondary-color);
    color: #fff;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    background: #b38712;
    transform: translateY(-2px);
}

main {
    background: var(--background-color);
}

.about-content {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-content p {
    text-align: justify;
    font-size: 1.1rem;
}

.about-content img {
    display: none;
}

.research, .ikenna {
    color: var(--secondary-color);
    font-weight: 700;
}

.deal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.deal-header p {
    font-size: 1rem;
    color: #666;
}

.deal-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.deal-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    margin-bottom: 2rem;
}

.deal-item:hover {
    transform: translateY(-5px);
}

.deal-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.deal-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.deal-button:hover {
    background: #006666;
}

.deal-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
}

.social-proof {
    padding: 4rem 2rem;
    background: var(--accent-color);
    text-align: center;
}

.social-proof h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.testimonial {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-3px);
}

.testimonial p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.testimonial span {
    font-size: 0.9rem;
    color: #666;
}

.newsletter {
    padding: 4rem 2rem;
    text-align: center;
    background: var(--background-color);
}

.newsletter h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.newsletter p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.newsletter form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
    border: none;
    padding: 0;
}

.newsletter input {
    padding: 0.75rem;
    width: 100%;
    max-width: 300px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.newsletter input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.newsletter button {
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.newsletter button:hover {
    background: #006666;
    transform: translateY(-2px);
}

.footer-content {
    text-align: center;
    padding: 2rem;
    background: var(--primary-color);
    color: #fff;
}

footer p {
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

footer small {
    font-size: 0.8rem;
    opacity: 0.8;
}

.social-links a {
    color: #fff;
    margin: 0 1rem;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--secondary-color);
}

hr {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 2rem 0;
}

@media (min-width: 768px) {
    header {
        padding: 1.5rem 3rem;
    }

    .logo h1 {
        font-size: 1.8rem;
    }

    nav ul {
        list-style: none;
        display: flex;
        align-items: center;
    }

    nav ul li {
        margin-left: 2rem;
    }

    .hamburger {
        display: none;
    }

    .list-menu {
        display: flex;
    }

    .list-item {
        margin-right: 1.5rem;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-content {
        padding: 3rem;
    }

    .hero h2 {
        font-size: 3rem;
    }

    .hero p {
        font-size: 1.5rem;
    }

    .about-content {
        display: flex;
        align-items: center;
        gap: 3rem;
    }

    .about-content img {
        display: block;
        width: 350px;
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow);
    }

    .about-text h3 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .deals {
        padding: 4rem 2rem;
    }

    .deal-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }

    .deal-header h4 {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }

    .deal-header p {
        font-size: 1.2rem;
    }

    .deal-item img {
        height: 300px;
    }

    .deal-item h4 {
        font-size: 1.4rem;
        margin: 1rem 0;
    }

    .deal-item p {
        font-size: 1.1rem;
    }

    .social-proof {
        padding: 4rem 2rem;
    }

    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }

    .newsletter form {
        gap: 1.5rem;
    }

    .newsletter input {
        width: 350px;
    }
}